/Engine/Source/Runtime/RenderCore/Public/CrossCompilerCommon.h
Make sure these enums match hlslcc EArray on Engine\Source\ThirdParty\hlslcc\hlslcc\src\hlslcc_lib\glsl_parser_extras.h.
namespace CrossCompiler { enum EPackedTypeName { HighP = 'h', MediumP = 'm', LowP = 'l', Int = 'i', Uint = 'u', Sampler = 's', Image = 'g', Invalid = ' ', } }